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Andrew [12]
3 years ago
10

Find a+b,2a+3b,IaI, and Ia-bI. a[4, 1], b=[1, -2]

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
4 0
I don’t think I will
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Leila works mowing lawns and babysitting. She earns $8.30 an hour for mowing and $7.30 an hour for babysitting. How much will sh
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$79 total earnings

Step-by-step explanation:

Here, earnings = (hourly rate)(number of hours):

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Total earnings =  $49.80               +  $29.20

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3 years ago
If x = 3 and y = 7 , evaluate the following expression: 20 − ( 3 y − 4 x )
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Answer:

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Brian is finishing a meal at his favorite restaurant. The check shows that the cost of the food is $42. He adds a 15% tip to the
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First determine the tip

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Add this to the amount of the tip

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Please help! Find the value of x.
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Herevis your answer.

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how many different possible outcomes exist when each spinner shown below is spun one time? one is numbered from 1-3 and one is 1
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